<template>
  <div class="about">
    <h1>This is an about {{inputValue}}</h1>
    <input type="text" v-model="inputValue">
  </div>
</template>

<script lang="ts">
import { defineComponent, reactive, ref } from 'vue'

export default defineComponent({
  setup() {
    const inputValue = ref('')

    return reactive({
      inputValue
    })
  },
});
</script>

<style lang="scss" scoped>
.active{
  color:red;
}
</style>
